WO2018219242A1

WO2018219242A1 - Dust-proof optical lens focusing assembly

Info

Publication number: WO2018219242A1
Application number: PCT/CN2018/088585
Authority: WO
Inventors: 李刚; 张丰学; 龙寿伦
Original assignee: 深圳多哚新技术有限责任公司
Priority date: 2017-05-27
Filing date: 2018-05-27
Publication date: 2018-12-06
Also published as: CN107577049B; CN107577048B; CN107367844A; CN107577026A; WO2018219239A1; CN107643598A; CN107703628A; CN107462995A; CN107577049A; CN107643598B; WO2018219237A1; CN107526168A; WO2018219244A1; CN107367843B; CN107526169A; CN107367844B; CN107462996A; CN107577051B; WO2018219245A1; CN107577051A

Abstract

A dust-proof optical lens focusing assembly, comprising: nested together, an inner lens barrel (214) and an outer lens barrel (211). The outer lens barrel and the inner lens barrel are in clearance fit, so that dust entering the internal space formed by the lens barrels through the clearance between the inner lens barrel and the outer lens barrel can be reduced, thereby avoiding affecting viewing effect. A round structure (215) and protruding structures (216) provided in the inner lens barrel can guarantee the sealing effect at the contact position with an inclined groove (213) reduce overall weight. The inclined groove positioned on the outer lens barrel is used for passing through a positioning feature piece (2200), so that the inner lens barrel and an inner optical lens (217) are driven to slide axially and circumferentially to complete focusing when a user moves the positioning feature piece. A dust-proof part fixing groove (223) and a dust-proof part are provided on the inner side wall or the outer side wall of the outer lens barrel, thus further preventing dust in external environment from entering the space formed by the lens barrels and solving the problems of the traditional optical assembly that viewing and focusing effects are affected because dust is easy to enter the assembly.

Description

Optical lens focusing component with dustproof function

This application is required to be submitted to the China Patent Office on May 27, 2017, the application number is 201710392921.0, the invention name is "optical lens focusing component"; the application number is 201710392923.x, the invention name is "a virtual reality device face support" "Accessory"; application number is 201710392914.0, the invention name is "a kind of virtual reality device"; the application number is 201710392078.6, the invention name is "a kind of virtual reality device light-shielding component", the priority of the Chinese patent application of four patents, and requires Priority is filed on September 11, 2017, the Chinese Patent Office, the number of which is hereby incorporated by reference in its entirety, the entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire entire in.

Technical field

The present application relates to the field of head-mounted display technology, and in particular, to an optical lens focusing assembly having a dustproof function.

Background technique

The head-mounted display device refers to a device that is worn on the user's head and can transmit optical signals to the user's eyes, including a virtual reality (VR) device, an augmented reality device, a game device, and the like. Among them, virtual reality devices are widely popular because they can bring a strong sense of immersion to the wearer. Virtual reality devices, such as VR glasses, have built-in independent screens that present VR resources to the wearer's left and right eyes to form a virtual reality image. Since the screen of the virtual reality device is very close to the wearer's glasses, in order to present a clear image, an optical component provided in the technical solution disclosed in Patent No. US20170017078B is incorporated in many virtual reality devices for adjusting the VR image.

An optical component used in a virtual reality device generally includes a lens barrel and an optical lens mounted in the lens barrel. In actual use, the dust in the environment easily enters the lens barrel through the gap and adheres to the lens, shielding the line of sight from affecting the viewing effect. And for the optical components used in some virtual reality devices, there is a focusing function, and the dust entering the lens barrel also affects the focusing process.

Summary of the invention

The present application provides an optical lens focusing assembly with dustproof function to solve the problem that the conventional optical component easily enters dust and affects the viewing and focusing.

The technical solution of the optical lens focusing component with dustproof function of the present application includes:

An outer lens barrel, an outer optical lens fixed to the outer lens barrel, an inner lens barrel, an inner optical lens fixed to the inner lens barrel, a positioning feature and at least one dustproof member;

The side wall of the outer lens barrel is provided with at least one inclined groove;

The inner lens barrel is built in the outer lens barrel;

The positioning feature is in one-to-one correspondence with the inclined groove, and each of the positioning features is fixed at one end of the side wall of the inner lens barrel, and the other end is slidable in the inclined groove through the inclined groove;

The dustproof member is located on an outer side wall or an inner side wall of the outer lens barrel corresponding to the inclined groove.

Optionally, in the above technical solution of the optical lens focusing assembly, the outer optical lens is fixed on the inner top of the outer lens barrel.

Optionally, in the technical solution of the optical lens focusing assembly, the outer optical lens is provided with a dustproof glue at a contact with the inner side of the outer lens barrel.

Optionally, in the above technical solution of the optical lens focusing assembly, the inner optical lens is fixed on an inner bottom of the circular table.

Optionally, in the technical solution of the optical lens focusing assembly, the outer side wall or the inner side wall of the corresponding outer lens barrel of the inclined groove is provided with a dustproof member fixing groove.

Optionally, in the technical solution of the optical lens focusing assembly, the positioning features are respectively composed of two fixing screws and a toggle fixing screw, wherein the dustproof member comprises two first dustproof members and one a second dustproof member is fixed in the dustproof member fixing groove on the inner side wall of the outer lens barrel corresponding to the specific inclined groove, and the specific inclined groove is used for extending into the dialing The inclined groove of the fixing screw is used for fixing the dustproof member fixing groove on the outer side wall of the outer lens barrel corresponding to the remaining inclined grooves.

Optionally, in the above technical solution of the optical lens focusing assembly, the second dustproof member is provided with a notch corresponding to the specific inclined groove.

Optionally, in the technical solution of the optical lens focusing assembly, the material of the second dustproof member is a thermoplastic polyurethane elastomer rubber TPU.

Optionally, in the technical solution of the optical lens focusing assembly, a dustproof oil layer is disposed between the inner lens barrel and the outer lens barrel, and the dustproof oil layer is used to prevent dust from the inner lens barrel and The contact of the outer tube enters.

The beneficial effects of adopting the above technical solutions are:

Since the optical focusing assembly comprises an outer barrel and an inner barrel, the outer barrel is provided with an inclined groove inclined at an angle, and the side wall of the inner barrel is provided with a positioning feature extending into the inclined groove, and the positioning feature can be Slide in the inclined groove. During the sliding of the positioning feature from bottom to top or top to bottom in the inclined groove, the positioning feature drives the inner lens barrel to move, so that the distance between the outer optical lens and the inner optical lens is adjustable.

Optionally, the dustproof member fixing groove has the same shape as the dustproof member; and the dustproof member fixing groove has a depth D greater than or equal to a thickness T of the dustproof member.

Optionally, the outer lens barrel and the inner lens barrel are two cylindrical tubular structures nested together; the outer lens barrel and the inner lens barrel are gap-fitted; the inner lens barrel As the movable barrel, it is slidable in the axial direction and the circumferential direction with respect to the inner wall of the outer barrel; the outer barrel serves as a stationary barrel for providing a sliding space for the inner barrel.

Optionally, the inner lens barrel includes a circular table provided with a stepped inner fixing portion, and a boss extending in a direction away from the inner fixing portion at the end of the circular table;

The inner fixing portion is configured to fix the inner optical lens, the number of the bosses is equal to the number of the inclined grooves, and the circumferential surface of the boss is provided with a mounting hole for mounting the positioning feature; The outer barrel includes an outer cylinder provided with a stepped outer fixing portion, and a main cylinder connecting the outer cylinder, at least one of the inclined grooves uniformly disposed on a side wall of the main cylinder; The fixing portion is for fixing the outer optical lens.

Optionally, the minimum distance L1 of the inclined groove to the end face of the outer barrel is greater than or equal to the axial width W of the circular table; the axial extension distance L2 of the inclined groove is smaller than the axial length of the main cylinder The height H of the boss; the minimum distance L3 of the inclined groove to the outer cylinder is greater than or equal to the height H of the boss; the extending distance L4 of the inclined groove in the circumferential direction is less than or equal to the convex The circumferential length of the table is 1/2 of the length AL.

Optionally, the dustproof member is a curved sheet-like structure having the same radius of curvature as the inner side wall or the outer side wall of the main cylinder; the axial direction width SW of the dustproof member is larger than the inclined groove in the main The axial extension of the cylinder is a distance L2; the circumferential length SL of the dustproof member is greater than the circumferentially extending distance L4 of the inclined groove.

Optionally, the inner diameter D1 of the inner lens barrel is greater than or equal to the minimum inner diameter D2 of the outer fixing portion; the outer diameter D3 of the main cylinder is larger than the outer diameter D4 of the outer cylinder.

Optionally, an end of the outer barrel away from the outer cylinder is further provided with: an annular sealing platform protruding from an outer side wall of the main cylinder; and a protrusion protruding from an inner side wall of the main cylinder An annular limiting ring; the inner diameter formed by the limiting ring is smaller than an inner diameter of the inner fixing portion, and is greater than or equal to an inner diameter of the circular table;

The sealing table and the limiting ring are flush with the end surface of the outer barrel in the end surface away from the outer fixing portion.

Optionally, the outer optical lens and the inner optical lens are plano-convex mirrors; the planar side of the outer optical lens is attached to the outer fixing portion; the planar side of the inner optical lens is opposite to the inner portion The fixing part fits.

The present application also provides a virtual reality device including a front case, a rear case, and the above optical lens focusing assembly, wherein:

The front shell and the rear shell have the same edge contour, and the front shell and the rear shell are connected to form a cavity for accommodating the optical lens focusing assembly and the electronic device; a mirror hole having a diameter greater than or equal to an outer diameter of an outer cylinder of the optical lens focusing assembly; the rear housing further having a position corresponding to an inclined slot in the optical lens focusing assembly, and Adjustment slots of the same shape.

It can be seen from the above technical solutions that the optical lens focusing component with dustproof function provided by the present application includes an inner lens barrel and an outer lens barrel which are nested together, and the clearance fit relationship between the outer lens barrel and the inner lens barrel is satisfied. In the case where the lubricating oil layer is disposed, dust can be reduced to enter the space formed by the lens barrel through the matching gap between the inner lens barrel and the outer lens barrel, and adhesion to the lens affects the viewing effect. The structure of the truncated cone and the boss provided in the inner barrel ensures the sealing effect at the position in contact with the inclined groove and reduces the overall weight. An inclined groove is disposed on the outer barrel for passing through the positioning feature, so that when the user moves the positioning feature, the inner lens barrel and the inner optical lens are driven to slide axially and circumferentially to complete the adjustment of the focal length. A dustproof member fixing groove and a dustproof member are disposed on the inner side wall or the outer side wall of the outer lens barrel to further prevent dust in the external environment from entering the space formed by the lens barrel, thereby improving the dustproof effect.

DRAWINGS

In order to more clearly illustrate the technical solutions of the present application, the drawings used in the embodiments will be briefly described below, and it will be apparent to those skilled in the art that without any creative work, Other drawings can be obtained from these figures.

1 is an exploded view of a virtual reality device of the present application;

2 is a structural diagram of a front case of a virtual reality device according to the present application;

3(a) and 3(b) are front and rear views of a rear case of a virtual reality device of the present application;

4 is a structural diagram of a face support used in conjunction with a virtual reality device according to the present application;

5 is a structural diagram of a temple of a virtual reality device according to the present application;

6 is a structural diagram of a light shielding component of a virtual reality device according to the present application;

7 is a structural diagram of an optical system and a heat sink of a virtual reality device according to the present application;

8 is a structural diagram of an optical system of a virtual reality device according to the present application;

9 is an exploded view of a right lens barrel mechanism, a right display screen, and a right screen bracket of a virtual reality device according to the present application;

Figure 10 is an exploded view of an optical lens focusing assembly of the present application;

Figure 11 is a cross-sectional view of an optical lens focusing assembly of the present application;

Figure 12 is a bottom plan view of an optical lens focusing assembly of the present application;

Figure 13 is a top plan view of an optical lens focusing assembly of the present application;

14 is an exploded view of a face support used in conjunction with a virtual reality device of the present application;

15 is a structural diagram of cooperation between the present application and a virtual reality device and a face support;

16 is an exploded view of a light shielding component of a virtual reality device according to the present application;

17(a), (b) and (c) are diagrams showing the steps of installing the shading assembly of the present application on a virtual reality device;

18 is a structural diagram of a light shielding component of the present application installed on a virtual reality device;

Figure 19 is a structural view of the data line fixing member of the present application;

20 is an exploded view of the data line fixture and the virtual reality device of the present application;

21 is a structural diagram of a data line fixing component installed on a virtual reality device according to the present application;

Figure 22 (a) (b) is a structural view of the right screen bracket and the left screen bracket of the present application;

23 is a schematic overall structural view of an optical lens focusing assembly having a dustproof function according to an embodiment of the present application;

24 is a schematic cross-sectional structural view of a focusing assembly in an embodiment of the present application;

25 is a schematic structural view of an outer lens barrel, an inner lens barrel, and a dustproof member according to an embodiment of the present application;

Figure 26 is an enlarged plan view showing a partial structure of a portion of the inclined groove in the embodiment of the present application;

FIG. 27 is a schematic structural diagram of a virtual reality device provided by the present application;

FIG. 28 is a schematic structural diagram of a back shell in a virtual reality device provided by the present application.

detailed description

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

The virtual reality device in this embodiment includes a housing, an optical system built in the housing, a PCBA board, a heat dissipation board and a light sensing component, a face holder, a hood, and the like for use with the housing. The components will be described in detail below.

1. Housing: As shown in FIG. 1, the housing includes a frame surrounded by the front case 1 and the rear case 3, a left temple 5 and a right temple 4 connected to the frame. The following is a detailed description of the above components:

(1) Front case 1: As shown in FIG. 2, the front case 1 is provided with a plurality of snap fixing members 16 for fixing the front case 1 and the rear case 3; and the upper end of the front case 1 is provided with a PCBA fixing member. 18, used to limit and fix the PCBA board 8; a guard column 17 is installed near the two ends of the front case 1 to prevent the front case 1 from being damaged by excessive force on the front case after the installation process or after installation. Further, in order to improve the quality of the front case 1, a plurality of reinforcing stripes may be provided. In order to reduce the weight of the housing of the virtual reality device, the material of the front case 1 is preferably a lightweight plastic, and the entire front case 1 is preferably designed to be integrally formed for the convenience of processing.

(2) Rear Case 3: As shown in FIGS. 3(a) and 3(b), the rear case 3 includes a housing cavity 46 for housing the optical system of the virtual reality device, the PCBA board 8, the heat sink 9, and the light sensing component. Wait. The lower end of the rear case 3 is provided with an adjustment groove 42 for extending and controlling the focus adjustment key of the optical system (equivalent to the following positioning feature, the protruding control key). The inner casing of the rear casing 3 is provided with a PCBA fixing groove that cooperates with the front casing 1. In order to improve the quality of the rear case 3, a plurality of reinforcing strips may be provided, preferably on the side edges of the rear case. A temple connection portion is disposed on the back surface of the rear case 3, and the lens connection portion is provided with a groove 44 connected to the protrusion of the front end of the left temple 5 and the right temple 4, and the outer side of the groove 44 is provided with a baffle 45. . Since the outside of the recess 44 has a baffle 45, when the projection of the temple is fitted into the recess, the temple at this time can only move inward. When the user wears the virtual reality device, the protrusion of the temple is blocked by the shutter 45, preventing it from moving outward, and a force is generated inwardly to allow the temple to clamp the user's head.

Face support members

41 and 43 are also provided on the back of the rear case 3 for facilitating the fixation of the face rest 6. As shown in FIGS. 4 and 14, the face support 6 includes a main body fixing portion 64 and a face contact portion 63, the side of the face contact portion 63 is connected to the main body fixing portion 64, and the other side is in contact with the human body surface, and the main body fixing portion 64 is attached. The

projections

61 and 62 for inserting the

face holders

41 and 43 are provided, and the main body fixing portion 64 is fixed to the rear case 3. In order to facilitate the weight of the face support 6 to disperse the virtual reality device, the main body fixing portion 64 and the face contact portion 63 are each a triangular shape composed of an outwardly convex flange located at the center and an arc portion extending away from the flange direction. structure. In order to reduce the weight of the virtual reality housing body, the rear case 3 is preferably a lightweight plastic, and the rear case 3 is preferably designed to be integrally formed for ease of processing.

(4) Left temple 5 and right temple 4: The left temple 5 and the right temple 4 are collectively referred to as temples, and the structures of the two are not substantially different. A projection 53 for inserting a recess in the connecting portion of the temple on the rear case 3 is provided at the front end of each of the temples. The left temple 5 will be described in detail below as an example. As shown in FIG. 5, in the non-folded state, the left temple 5 and the right temple 4 are curved inwardly to facilitate clamping of the user's head. In order to further enhance the clamping force of the temple, the thickness of the front end of the temple is greater than the thickness of the rear end of the temple. In order to reduce the weight of the temples, the temples are also provided with hollow grooves 52, and the hollow grooves 52 can also prevent defects on the injection molding surface and affect the appearance. The left temple 5 and the right temple 4 are respectively provided with through holes 51 for fitting the

protrusions

71 and 72 of the light shielding unit 7 into the through holes 51 to realize the fixing of the light shielding unit 7. The through hole specifically includes two communicating fixing holes and a connecting hole. The connecting hole has a larger aperture than the maximum width of the connecting member, and the fixing hole has a smaller aperture than the maximum width of the connecting member. The fixing hole is used to fix the protrusion of the light shielding component, and the connection hole is used for positioning the protrusion of the light shielding component. Both the left temple 5 and the right temple 4 can be an integral molding mechanism. To reduce the overall weight of the overall virtual reality device, the left temple 5 and the right temple 4 are made of flexible plastic (TR90). As shown in FIG. 1, the specific installation steps of the housing and other components of the above virtual reality device are as follows:

First step: The optical system of the left barrel mechanism 21 and the right barrel mechanism 23 with the left display 22 and the right display 24 is inserted into the housing chamber 46 of the rear case 3 for fixing, and the specific fixing method is not limited. The positioning features of the left barrel mechanism 21 and the right barrel mechanism 23 simultaneously extend out of the adjustment groove 42 of the rear case 3, so that the user can adjust the focal length;

The second step: loading the PCBA board 8 into the PCBA fixing slot of the rear case 3, and connecting the PCBA board 8 with the optical system;

The third step: loading the heat sink 9, specifically bonding one end of the heat sink 9 with the heat generating device on the PCBA board 8, and the other end is respectively attached to the back surface of the left display screen 22 and the right display screen 24, so that the heat sink 9 is The heat radiated from the PCBA board 8 and the left display 22 and the right display 24 can be evenly dispersed;

The fourth step: the front case 1 is mounted, that is, the front case 1 and the rear case 3 are fixed, and the front case 1 is pressed into the rear case 3, and is fixed by the buckle fixing member 11 of the front case 1;

The fifth step: the protrusions 53 on the left temple 5 and the right temple 4 are embedded in the groove 44 on the rear shell 3;

The sixth step: mounting the face support 6 to the rear case 3, specifically fixing the

protrusions

61 and 62 on the face support 6 to the

face support members

41 and 43 on the rear case 3, respectively;

Step 7: The shading assembly 7 is surrounded by the virtual reality device, and the

specific shielding protrusions

71 and 72 of the shading assembly are respectively embedded in the through holes 51 of the temples.

The virtual reality device includes a front shell, a rear shell and two temples, and has a simple structure and simple assembly. At the same time, other components of the virtual reality device are correspondingly mounted on the storage groove of the rear shell, and the front shell and the connecting temple are covered. The entire virtual reality device has a relatively small structure, takes up less space, and has a shape similar to that of glasses, and is relatively beautiful.

(2) Optical system: As shown in Fig. 1, the optical system includes a left barrel mechanism 21, a left display screen 22, a right barrel mechanism 23, and a right display screen 24. The left barrel mechanism 21 and the right barrel mechanism 23 have the same structure. , collectively referred to as optical lens focusing components. Specifically, the left lens barrel mechanism 21 and the left display screen 22 are mounted on the left screen bracket and the left display screen 22 is located behind the left barrel mechanism 21, and the left display screen is entirely located inside the left screen bracket; the right barrel mechanism 23 and The right display screen 24 is mounted on the right screen bracket 13 and the right display screen 24 is located behind the right barrel mechanism 23, and the right display screen 24 is entirely located inside the right screen bracket 13. The side edges of the left display screen 22 and the right display screen 24 have a chamfer angle. As shown in FIG. 1, the right lower corner side of the left display screen 22 has a chamfered angle. The lower left side of the right display 24 has a chamfered corner. The left screen bracket and the right screen bracket 13 are two independent screen brackets, each of which is a hollow ring structure. Since the two screen holders are hollow, it is realized that the contents displayed by the corresponding display screen are viewed through the lenses of the left barrel mechanism 21 and the right barrel mechanism 23. The hollow ring of the screen bracket may be a circular or polygonal shape or an irregular shape, which is determined according to the shape of the optical module and the shape of the virtual reality device housing. The surface of each screen bracket that is in contact with the display screen is a screen contact surface, and the screen contact surface is used to fit the surface of the display screen. Specifically, it can be set as a smooth surface, and the screen contact surface is set as a smooth surface to avoid damage to the display screen. At the same time, the display and the screen bracket are well fitted. In this embodiment, the screen contact surface is not specifically defined as a smooth surface or a rough surface. In this embodiment, in order to better achieve the fit of the screen contact surface and the display screen surface, a soft double-sided adhesive glue may be disposed between the two, and the double-sided adhesive glue may be an annular ring corresponding to the shape of the screen support. The screen holder is pasted with the display through a double-sided adhesive. Corresponding to the screen contact surface is an optical module contact surface, and the optical module contact surface is respectively attached to the left barrel mechanism 21 and the right barrel mechanism 23. When the screen brackets are assembled with the display screen and the optical module respectively, the screen brackets serve to facilitate the installation, and at the same time, the three form a confined space, which plays a dustproof role. In order to further improve the dustproof effect between the screen bracket and the display screen and the optical module, the right side of the 4-panel bracket of the right temple is disposed near the side of the 4-screen contact surface of the right temple, and the right mirror is provided with a 4-frame bracket. A second groove is disposed on one side of the contact surface of the optical module of the right temple 4, and the first groove of the right temple 4 and the second groove of the right temple 4 are used for placing a dustproof ring to realize the screen bracket and the optical There is no gap between the module and the display screen, so as to avoid the entry of dust from the outside and improve the dustproof effect. It should be noted that the display screen and the optical module can be directly fixed on the screen bracket without using a dust seal. Since the installation of the left screen bracket and the right screen bracket is similar, the installation steps of the right display 24, the right barrel mechanism 23 and the right screen bracket 13 are described below. It should be understood that the installation of the left eye display is similar, and the specific installation steps are as follows: :

The first step is to fix the left dust ring 12 and the right dust ring 14 respectively on the oppositely disposed screen contact surface of the screen bracket 13 and the optical module contact surface (left and right are only distinguished by reference to the drawings, and have no actual Meaning), the screen bracket 13, the left dust ring 12 and the right dust ring 14 are assembled into a screen bracket assembly. The fixing manner of the left dust ring 12 and the right dust ring 14 can be set according to actual needs, and is not specifically limited. Preferably, the sticking and fixing, the left dust ring 12 and the right dust ring 14 can be adhesive double-sided film, the screen bracket 13 is provided with a first groove and a second groove, and the first groove is located close to the screen. One side of the surface corresponds to the shape of the left dust ring 12, and the second groove is located on the side close to the contact surface of the optical module and corresponds to the shape of the right dust ring 14, which is convenient for improving dustproof effect and material saving. . It should be noted that the double-sided film is only a specific material selected for the left dust ring 12 and the right dust ring 14, and any material having adhesiveness and soft shrinkage, such as plastic or a certain softness, may be used. PORON or a certain soft PVC or thin cloth, etc.; of course, in order to reduce the overall weight of the virtual reality device, the left dust ring 12 and the right dust ring 14 are preferably of a light material. Similarly, in order to reduce the overall weight of the virtual reality device, the screen bracket 13 can be integrally formed, and the material of the screen bracket 13 can be selected from a lightweight material such as a plastic having a certain hardness.

The second step: fixing the right barrel mechanism 23 and the right display screen 24 to the screen holder assembly, respectively. Specifically, the right barrel mechanism 23 is placed on the right dust ring 14. Preferably, the right barrel mechanism 23 can be placed on the second groove, and the right dust ring 14 is in contact with the screen holder 13 on one side. One side is in contact with the right barrel mechanism 23. Specifically, the right display screen 24 is placed on the left dust ring 12. Preferably, the right display screen 24 can be placed on the first groove to fix the right display screen 24 and the screen bracket 13. The left dust ring 12 is in contact with the screen holder 13 on one side and the right display 24 is on the other side. When the right lens barrel mechanism 23 and the right display screen 241 are preferably fixed to the first groove and the second groove on both sides of the screen holder 13, the right display screen 24, the screen holder 13 and the right barrel mechanism 23 can be formed. In the confined space, the joints are tightly connected, and the sides with the grooves are dustproof, so that external dust can be prevented from entering the confined space, that is, the outside dust is prevented from adhering to the display screen. Causes a problem with the murray on the display.

Step 3: After the right lens barrel mechanism 23, the left dust ring 12, the screen holder 13, the right dust ring 14 and the right lens barrel mechanism 23 are assembled, the screen fixing holes on the screen holder 13 correspond to the virtual reality device. The second fixing holes are matched to realize the assembly of the assembled components to the virtual reality device, and the fixing manner is not limited to the screw fixing manner. It should be noted that the screen fixing hole on the screen bracket 13 includes at least one forward hole and at least one reverse hole.

As shown in FIG. 22( a ) and ( b ), the structure of the screen bracket is: the two screen brackets are independent of each other, and the optical module contact surface is provided with an optical module fixing member 111 and a positioning member 113 extending away from the surface thereof. When the optical module protrudes into the screen bracket and protrudes from the contact surface of the optical module, the optical module fixing member 111 is in contact with the outermost edge of the optical module, and is used for fixing the optical module on the screen bracket, and the optical module The fixing member 111 may be an L-shaped structure extending toward the center of the screen holder for defining the optical module in the L-shaped structure; the positioning member 113 is located at the periphery of the optical module for ensuring that the optical module is installed at the preset position. For defining the motion trajectory of the optical module, the positioning member 113 is used to prevent the optical module from moving outward. In order to facilitate the fixing of some other small electronic components of the virtual reality device, such as a light sensor, a corresponding receiving fixing groove 114 is protruded on one side of the screen bracket for fixing other small electronic devices. After the display screen, the left dust ring, the screen bracket, the right dust ring and the optical module are completed, the screen fixing hole 112 on the screen bracket is matched with the second fixing hole corresponding to the virtual reality device to realize the assembled component. Fixed to the virtual reality device, this fixing method is not limited to the screw fixing method. It should be noted that the screen fixing hole 112 on the screen bracket includes at least one forward hole and at least one reverse hole. As shown in FIG. 10 to FIG. 13, the optical lens focusing assembly collectively referred to as the left barrel mechanism and the right barrel mechanism includes an outer barrel 211, an outer optical lens 212, an inner barrel 214, and an inner optical lens 217. The optical lens 212 is fixed on the outer lens barrel 211, and the inner optical lens 217 is fixed on the inner lens barrel 214; the side wall of the outer lens barrel 211 is provided with an inclined groove 213; the inner lens barrel 214 is disposed in the outer lens barrel 211, and the inner lens barrel 214 The side wall is provided with a positioning feature, and the positioning feature further extends into the inclined groove 213 and slides along the inclined groove 213; when the inner barrel 214 slides along the outer barrel 211, the outer optical lens fixed on the outer barrel 211 The distance between the 212 and the inner optical lens 217 fixed to the inner barrel 214 is adjustable to achieve focusing of the optical assembly. The exploded view of the optical focusing assembly shown in FIG. 10 includes an outer barrel 211, an outer optical lens 212, an inner barrel 214, an inner optical lens 217, two first dustproof members 218, and a first dustproof member. 219, two fixing screws 220, a toggle fixing screw 221 and a toggle fixing screw 221. The following describes each of the above components:

(1) The outer barrel 211: at least one inclined groove 213 is provided on the side wall of the outer barrel 211, and the inclined groove 213 is inclined at an angle with respect to the horizontal plane, and the positioning feature fixed on the side wall of the inner barrel 214 is embedded. When the groove 213 is inclined and moved along the inclined groove 213, the distance between the outer optical lens 212 and the inner optical lens 217 is adjustable. As shown in FIG. 1, the outer lens barrel 211 has a circular cross section, and when the number of the inclined grooves 213 is three or more, the inclined grooves 213 are evenly distributed along the outer circumference of the outer barrel 211. It should be noted that the inclined grooves 213 are not limited to three as shown in the drawing. Preferably, the number of the inclined grooves 213 is three. Further, the inclined grooves 213 are not limited to being uniformly distributed in the circumferential direction of the outer barrel 211, but it is necessary to satisfy that the plurality of inclined grooves 213 are located on the same horizontal plane. The sectional shape of the outer barrel 211 is not limited to the circular shape shown in Fig. 1, and may be elliptical or rhombic or irregular. In order to better adapt to the morphological characteristics of the human body, near the nose bridge of the human body, it can be set to match the shape of the human nose bridge, that is, a simple circular cut portion is formed to have an inclined surface matching the nose bridge. Therefore, in order to accommodate a specific virtual reality device housing, and to reduce the volume of the overall virtual reality device, the cross-sectional shape of the outer barrel 211 may depend on the specific virtual reality housing.

(2) The outer optical lens 212: the outer optical lens 212 is fixed on the outer lens barrel 211. Specifically, as shown in FIG. 2, the outer optical lens 212 is fixed on the inner top of the outer lens barrel 211, and the inner top portion is away from the inner lens barrel 214. One side. The fixing manner of the outer optical lens 212 and the outer lens barrel 211 may be: fixing the outer optical lens 212 to the inner top of the outer lens barrel 211 by plastic, and fixing the outer optical lens 212 to the outer lens barrel 211 by plastic fixing. And it can effectively prevent dust. It should be noted that the present invention does not specifically limit the manner in which the two are fixed. For convenience of explanation, the combined structure of the outer barrel 211 and the outer optical lens 212 is defined as the first assembly.

(3) Endoscope barrel 214: The inner barrel 214 is built in the outer barrel 211, and the inner barrel 214 is movable in the direction of approaching or away from the outer optical lens 212, and thus the outer optical lens 212 and the inner optical lens 217 The spacing is adjustable. Specifically, the inner lens barrel 214 can be moved along the outer lens barrel 211 in such a manner that at least one positioning feature is disposed on the side wall of the inner lens barrel 214, and the positioning feature is in one-to-one correspondence with the inclined groove 213, and each positioning feature is embedded. The inside of the inclined groove 213 is slidable along the inclined groove 213, thereby driving the movement of the inner barrel 214. Since the present invention does not limit the number of the inclined grooves 213, the number of the positioning features is not specifically limited. When the number of the inclined grooves 213 is three and uniformly distributed along the circumferential direction of the outer barrel 211, the three positioning features are simultaneously moved in the inclined groove 213, thereby ensuring that the inner optical lens 217 on the inner barrel 214 is moving up and down. Make them all on one plane. Further, since the outer barrel 211 is in contact with the inner barrel 214, in order to improve the sliding of the inner barrel 214 during the focusing process, an oil layer for lubricating is added between the inner barrel 214 and the outer barrel 211, and the inner layer is increased. The sliding of the lens barrel 214 is flexible, and the oil layer can prevent the dust from entering the inside to a certain extent, thereby preventing dust. A specific oil layer may be formed by applying damping oil between the inner barrel 214 and the outer barrel 211, and it should be understood that other ways of improving the sliding flexibility between the inner barrel 214 and the outer barrel 211 are the same for the present application. protected range. When the positioning feature is three, the structure of the three positioning features can be divided into two fixing screws 220 and a toggle fixing screw 221, and the two fixing screws 220 and the dial fixing screws 221 are fixed by fixing screw holes. On the lens barrel 214, the two fixing screws 220 and the toggle fixing screws 221 respectively protrude into the inclined groove 213 and are slidable along the inclined groove 213. In order to improve the comfort of the push-and-fixing screw 221, the user can facilitate the dialing during the use process. The outer end of the toggle fixing screw 221 is fixedly connected with a dialing silicone head 222. The dialing silicone head 222 has a certain hardness. Silicone, the user feels comfortable to use. As shown in FIG. 10, the inner barrel 214 includes a circular table 215 and at least one boss 216 extending above the circular table 215 and extending upward. The boss 216 is in one-to-one correspondence with the inclined groove 213, and the fixing screw hole is located on the boss 216. The shape of the boss 216 is matched with the shape of the inner wall of the outer barrel 211. When the outer barrel 211 is circular, the boss 216 may be an annular wall, and the boss 216 is provided with a fixing screw corresponding to the inclined groove 213. hole.

(4) Inner optical lens 217: The inner optical lens 217 is fixed to the inner lens barrel 214. As shown in FIG. 2, the inner optical lens 217 is fixed to the inner bottom of the inner lens barrel 214. For example, the bottom end of the inner lens barrel 214 is provided with a card slot, and the inner optical lens 217 is fixedly connected with the bottom end of the inner lens barrel 214. The bottom is the side away from the outer barrel 211. Specifically, the inner optical lens 217 and the inner lens barrel 214 can be fixed by fixing the inner optical lens 217 to the inner bottom of the inner lens barrel 214 by plastic, and the inner optical lens 217 can be stably fixed to the inner lens barrel 214 by plastic fixing. It is effective and dustproof. It should be noted that the present invention does not specifically limit the manner in which the two are fixed. Of course, the inner lens barrel 214 can also be provided with no card slot, and the inner optical lens 217 can be fixed to the side wall of the inner bottom of the inner lens barrel 214, that is, the outer side of the inner optical lens 217 is fixedly connected to the inner side wall of the inner lens barrel 214. The fixing method can ensure that the inner optical lens 217 is stably fixed to the inner lens barrel 214 by plastic fixing, and can effectively prevent dust. It should be noted that the present invention does not specifically limit the manner in which the two are fixed. For convenience of explanation, the combined structure of the inner barrel 214 and the inner optical lens 217 is defined as the first assembly.

(5) The first dustproof member 218 and the first dustproof member 219: when the inner lens barrel 214 is moved in the direction of approaching or moving away from the outer optical lens 212 by the two fixing screws and the dial fixing screws that protrude into the inclined groove 213 The two first dustproof members 218 are respectively fixed on the outer side of the inclined groove 213 of the outer cylinder 2112 corresponding to the two fixing screws 220, and the first dustproof member 219 is fixed to the outer lens barrel 211 corresponding to the toggle fixing screw 221. The inside of the inclined groove 213. It should be noted that the first dustproof member 219 may be fixed to the outside. The first dustproof member 219 and the first dustproof member 218 are provided with notches corresponding to the inclined grooves 213. The first dust-proof member 219 may specifically be a TPU sheet having adhesiveness, and the TPU sheet has an inclined groove 213 hole corresponding to the specific inclined groove 213. The invention does not limit the material of the first dustproof member 219 to TPU, and it should be understood that the selected material can be used for the slotted opening as long as it has a certain hardness, and the specific dustproof property, such as PORON or a certain hardness with a certain hardness. PVC, high temperature glue or masking glue. The fixing manner of the first dustproof member 218 and the first dustproof member 219 can be fixed by sticking to facilitate assembly, but the invention does not limit the fixing manner. The assembly steps of the above optical lens focusing assembly are as follows:

Step 1: fixing the outer optical lens 212 to the inner top of the outer barrel 211 to form a first component;

Step two: fixing the inner optical lens 217 to the inner bottom of the inner lens barrel 214 to form a second component;

Step 3: The first dustproof member 219 is placed inside the specific inclined groove 213 of the outer barrel 211 of the first assembly, and the specific inclined groove 213 is for extending into the toggle fixing screw.

Step 4: placing the second component inside the first component, and placing the assembled inner lens barrel 214 with the inner optical lens 217 in the assembled outer mirror with the outer optical lens 212 and the first dustproof member 219 The inside of the barrel 211.

Step 5: Since three fixing screw holes are provided on the side wall of the inner lens barrel 214, the three fixing screw holes are leaked to the inclined groove 213, and then two fixing screws 220 and one dial are respectively fixedly connected to the three fixing screw holes. Fix the fixing screw 221. Two first dust-proof members 218 are fixedly connected to the side walls of the outer lens barrel 211 corresponding to the inclined grooves 213 of the two fixing screws 220.

Step 5: Fix the dialing silicone head 222 to the outer end of the toggle fixing screw 221.

It should be noted that the specific assembly steps described above do not constitute a sequential limitation, and the order of the steps may be arranged according to specific conditions. Optical lens focusing components are mainly used in the field of virtual reality, especially for short-distance optical lens adjustment. It should be understood that short-distance optical focusing in other fields is also within the scope of protection.

The working principle of the optical lens focusing assembly is specifically as follows: the toggled silicone head 222 is driven to drive the toggle fixing screw 221 to slide up or down on the inclined groove 213 of the outer barrel 211, because the fixing screw 221 is toggled. One end is fixed to the inner barrel 214, and the other two fixing screws 220 place the inner barrel 214 in an opposite plane. During the sliding of the set screw 221 along the inclined groove 213, the distance between the inner optical lens 217 on the inner barrel 214 and the outer optical lens 2122 of the outer barrel 211 is adjustable, and the specific change needs to be inclined according to the inclined groove 213. The amplitude and the length of the notch of the inclined groove 213 are determined, preferably at an inclination angle of 5 to 15 degrees, and the distance between the inner optical lens 217 and the outer optical lens 212 is adjusted to be in the range of 0.5 to 10 mm.

(3) Face support 6: As shown in Figs. 14 and 15, the face support 6 includes a main body fixing portion 64 and a face contact portion 63, the side of the face contact portion 63 is connected to the main body fixing portion 64, and the other side is in contact with the human body face. The main body fixing portion 64 is also connected to the rear case 3 of the virtual reality device, and the connection manner is not specifically limited. Both the main body fixing portion 64 and the face contact portion 63 may be an integrally formed structure. The main body fixing portion 64 and the face contact portion 63 will be described below.

(1) Main body fixing portion 64: In order to facilitate the use of the face supporting member, the shape of the main body fixing portion 64 may be a figure-shaped structure which is arched from the both ends toward the center, and specifically may be a flange and an arc on both sides of the flange The glyphs formed by the department can realize the dispersion of the gravity of the virtual reality device to multiple positions on the human face. The main body fixing portion 64 is provided with at least one protrusion protruding from the outer surface thereof, and the number of the protrusions shown in the drawing is not limited to four, two of which are the protrusions 61 on the flange, and the other two The protrusions 62 are located on the curved portion. Corresponding to the protrusion, as shown in FIG. 3(b), the rear case 3 of the virtual reality device is provided with

face support members

41 and 43 for embedding the protrusions, and the

face holders

41 and 43 may specifically For the opening, the connection of the main body fixing portion 64 to the virtual reality device is achieved. When four fixing members are provided on the main body fixing portion, two of the protrusions 61 are located on both sides of the flange near the central axis, and in use, the two protrusions are located at corresponding positions near the nose bridge of the user; the other two protrusions 62 is located on the curved portion, corresponding to the vicinity of the facial humerus. In order to save material and make the shape of the face support more beautiful, the preferred body fixing portion 64 corresponds to the position to be fixed of the virtual reality device to be used. For ease of production, the body fixing portion 64 is integrally formed, and is preferably a lightweight material.

(2) Facial contact portion 63: The side of the face contact portion 63 is connected to the main body fixing portion 64, and the other side is in contact with the human body surface. In order to disperse the gravity of the virtual reality device, the shape of the face contact portion 63 can also be set as a zigzag structure which is arched from the both ends toward the center, and specifically can be a triangular shape composed of a flange and an arc portion on both sides of the flange. The curved portion extends in a direction away from the flange. During the actual use of the face support 6, the flange can correspond to the vicinity of the nose bridge of the user, and the curved portion can extend along the tail of the eye to better allow the face support member to withstand the force distribution of the human face, that is, the face contact portion and The place where the human face touches is evenly stressed. In the direction from the flange to the flange, the thickness of the face contact portion 63 is gradually thickened first, and then gradually thinned, and the thickness of the center is smaller than the thickness of the end portions, that is, the thickness near the central axis of the face contact portion 63 is thin. The free end is thicker. The surface in contact with the human body surface at the face contact portion 63 is an inclined surface having a certain angle, that is, the surface is provided as a surface matching the human body surface and the nasal bridge surface. The inclined surface may specifically include a nose inclined surface and an inclined surface of the cheek, and the area of the inclined surface of the nose is smaller than the area of the inclined surface of the cheek, wherein the angle between the inclined surface of the nose and the vertical surface is 10° to 80°, and the inclined surface of the cheek The angle from the vertical plane is 3° to 60°. In addition, the thickness of the face contact portion corresponding to the inclined surface of the nose may be smaller than the thickness of the face contact portion corresponding to the inclined surface of the cheek. In view of the fact that the face contact portion 63 needs to be in contact with the human body, the face contact portion 63 is preferably a light and soft material such as foam. At the same time, in order to facilitate the production process, the face contact portion 63 may be integrally formed. As shown in FIG. 15, the specific installation steps of the above-mentioned face support 6 mounted on the rear case 3 are as follows:

First step: The main body fixing portion 64 and the face contact portion 63 are fixedly connected to form a face holder 6. The fixed connection method is not specifically limited, and the fixed connection may be performed by using a pasting method;

Second step: The main body fixing portion 64 is fixed to the rear case 3 of the virtual reality device. The fixed connection manner is not specifically limited. For example, if there are a plurality of

protrusions

61 and 62 protruding from the outer surface of the main body fixing portion 64, the face holder fixing members corresponding to the

protrusions

61 and 62 on the rear case 3 of the

virtual reality device

41 and 43, the

face holders

41 and 43 may specifically be openings through which the main body fixing portion 64 and the rear case 3 are fixed by being caught in the opening.

It is worth noting that the lateral length of the face support 6 is 60-160 mm, preferably 90-30 mm, especially 100-20 mm, which can satisfy most human faces, such as the lateral length is set to 110 mm ± 8 mm; The overall longitudinal height is 20 to 80 mm, preferably 30 to 70 mm, especially 45 to 55 mm, which can satisfy the nose of most human bodies, for example, the longitudinal direction is set to 48 mm ± 5 mm. It should be understood that the face support accessory of the present application makes full use of the facial shape characteristics of the person, so that when the user wears the virtual reality device, the contact surface with the user's face is increased as much as possible, and the gravity of the virtual reality device is dispersed.

The face support of the present application is different from the existing face support only in contact with the bridge portion of the nose, and the contact surface with the user's face is increased, that is, the face support member not only contacts the bridge of the nose, but also contacts the position near the eye, thereby further arranging the virtual reality device. The gravity is dispersed, and the eye circumference on both sides of the bridge of the nose and the nose can withstand part of the gravity of the virtual reality device, reducing the discomfort and damage caused by the user wearing the virtual reality device, and allowing the user to use the headset for a long time. , greatly improve the user experience.

(4) Light-shielding assembly 7: As shown in FIGS. 16 to 18, the light-shielding assembly 7 includes a light-shielding member 78 and a front end fixing ring 77; the light-shielding member 78 includes a top surface 73, a first curved surface 75, a second curved surface 76, and a bottom surface 74. Wherein: the side of the top surface 73 in contact with the human body surface is a non-closed arc extending outward from the center; the bottom surface 74 is integrally disposed integrally with the top surface 73; the first curved surface 75 and the second curved surface 76 are located on the top surface Both sides of the 73 are curved in a direction close to the bottom surface 74; the first curved surface 75 and the second curved surface 76 are respectively smoothly connected with the top surface 73 and the bottom surface 74, such that the top surface 73, the first curved surface 75, and the second curved surface 76 And the bottom surface 74 encloses a closed hollow region; the front end fixing ring 77 is located at the outermost inner periphery of the hollow region and conforms thereto. Meanwhile, since the light shielding component of the virtual reality device of the present invention is used in conjunction with the virtual reality device body, in order to facilitate the fixing of the light shielding component 7, the first curved surface 75 and the second curved surface 76 are respectively provided with connecting

members

71 and 72, for convenience. Distinguished, respectively, represented by a first connector 71 and a second connector 72, the first connector 71 and the second connector 72 are for attachment to the left and right temples 5, 4 of the virtual reality device. As shown in the exploded view of Fig. 16, the light shielding unit 7 is a cover structure comprising a front end fixing ring 77, a light blocking member 78, a first connecting member 71 and a second connecting member 72, respectively, for the above components. Detailed description.

(1) Front end fixing ring 77: The front end fixing ring 77 is built in the outermost side of the light shielding member 78. When the light shielding unit 7 is applied to the virtual reality device main body, the front end fixing ring 77 is located at the inner periphery of the hollow region and is connected to the front end of the virtual reality device body. Contact, such as when the virtual reality device is in the form of glasses, the front end retaining ring 77 can enclose the frame portion, where the frame portion excludes the temples. The front end fixing ring 77 can be a hollow airtight frame. Since the front end fixing ring 77 needs to surround the virtual reality device body, the shape of the front end fixing ring 77 needs to correspond to the outer shape of the virtual reality device body itself. It can be understood that, as the shape of the main body of the virtual reality device may be a rectangle, a square, and various different regular shapes, the shape of the front end fixing ring 77 needs to be changed accordingly. For example, when the virtual reality device body selects a shape having a certain curvature and corresponding to the shape of the glasses, the shape of the front end fixing ring 77 is also preferably a form of glasses, that is, the shape of the front end fixing ring 77 is according to the shape of the outer edge of the main body of the virtual reality device. And set. It should be noted that the front end fixing ring 77 may be hollowed out, and may of course be a solid structure. In order to save materials, reduce user wearing weight, and improve user experience, the front end fixing ring 77 is preferably hollowed out.

(2) Light blocking member 78: The light blocking member 78 includes a top surface 73, a first curved surface 75, a second curved surface 76, and a bottom surface 74. When the shading assembly is applied to the virtual reality device body, the front end fixing ring 77 is configured to include a virtual reality device body front end outer frame, and the first curved surface 75 and the second curved surface 76 are extendable in the temple direction, the first curved surface 75 and the second surface The first connecting member 71 and the second connecting portion 72 on the curved surface 76 are fixed on the left temple 5 and the right temple 4, so that the light shielding assembly 7 is fixed on the virtual reality device body, and the user uses the virtual reality device configured with the light shielding component. When the hollow area enclosed by the light shielding member 78 and the human body surface can form a relatively closed space, the external optical access can be avoided. The light blocking member 78 is connected to the virtual reality device body through the front end fixing ring 77. The first curved surface 75 and the second curved surface 76 of the light blocking member 78 extend in a direction close to the end of the virtual reality device, and the side of the top surface 73 contacting the human body surface is a non-closed arc extending outward from the center, the non-closed arc can be matched with the forehead of the human body, and the bottom surface is set to a W shape which is arched from the both ends to the center, and is also matched with the human face, so that it is not only Saving materials can also reduce the weight of the shading assembly, and can improve the user's wearing comfort and achieve a good shading effect. Specifically, the light blocking member 78 may be selected from a soft material having a certain hardness, being breathable, and capable of preventing light from transmitting. Preferably, in order to facilitate the appearance of the light shielding component during use, a material having a certain elasticity and not easy to wrinkle may be selected, such as a pull cotton, a Lycra or the like. For example, the material is selected from a synthetic fabric having two layers, one for shading and the other for air permeability and deformation. Since the general fabric is relatively soft and difficult to mold, in order to solve the problem, the elasticity, hardness and abrasion resistance of the synthetic fabric are improved, and the two layers of the fabric are synthesized by glue. The light blocking member 78 has a hollow area for accommodating the front end of the virtual reality device body. Specifically, the hollow area includes a face contact surface and a virtual device connection surface; the face contact surface is for contacting the user's face, and the virtual device connection surface is used for the virtual reality device The viewing side of the inside of the frame is connected; or the hollow area includes a face contact surface and a virtual device connection surface; the face contact surface is for contacting the user's face, and the virtual device connection surface is for connecting with the outside of the frame of the virtual reality device. Since the optical component of the virtual reality device in this embodiment may be a focusing component, the optical component specifically includes an outer lens barrel 211, an outer optical lens 212 fixed to the outer lens barrel 211, an inner lens barrel 214, and a fixed inner lens barrel 214. The inner optical lens 217 and the positioning feature (specifically, the fixing screw 220 and the toggle fixing screw 221); at least one inclined groove 213 is disposed on the side wall of the outer lens barrel 211; the inner lens barrel 214 is built in the outer lens barrel 211; The feature member (specifically, the fixing screw 220 and the toggle fixing screw 221) has a one-to-one correspondence with the inclined groove 213, and one end of each positioning feature (specifically, the fixing screw 220 and the toggle fixing screw 221) is fixed to the inner lens barrel 214. The side wall and the other end are slidable in the inclined groove 213 through the inclined groove 213. The positioning feature (specifically, the fixing screw 220 and the toggle fixing screw 221) is a virtual reality device protruding control key, and when the positioning feature (specifically, the fixing screw 220 and the toggle fixing screw 221) is adjusted, the inner lens barrel is adjusted. When the outer lens barrel 211 is relatively slid along the outer lens barrel 211, the distance between the outer optical lens 212 fixed to the outer lens barrel 211 and the inner optical lens 217 fixed to the inner lens barrel 214 is adjustable, and focusing of the optical component is achieved. In order to make the above-mentioned protruding control key easy to operate, the bottom surface of the light shielding member 78 is provided with an opening for the virtual reality device to protrude the control key, that is, the positioning feature is exposed, and the shading is realized at the same time as the focusing is realized. The size of the shading assembly 7 of the virtual reality device may be such that the front end lateral distance of the shading assembly 7 is relatively smaller than the rear end longitudinal distance in order to adapt to the size of the human head shape. Generally, the front end of the shading module has a lateral length of any value in the range of 50 to 250 mm, preferably any value in the range of 120 to 170 mm, and particularly 150 to 160 mm, which is most suitable for the mass of the user, such as 155 mm. The longitudinal length is any value within the range of 30 to 150 mm, preferably any value within the range of 60-120 mm, and particularly between 80 and 100 mm, which is most suitable for mass user size, such as 91 mm. The distance from the bottom end of the curved top surface of the shading component to the front end of the hood is any value within the range of 3 to 25 mm, preferably any value within the range of 8-20 mm, especially between 12 and 16 mm, which is most suitable for the mass user size. Such as 14mm.

The working principle of the light-shielding component 7 of the virtual reality device is as follows: when the user uses the virtual reality device with the light-shielding component, the user brings the virtual reality device, and the light-shielding member 78 of the light-shielding component 7 and the user's forehead and the user's face And the virtual reality device forms a relatively closed space, which allows the user's eyes to avoid external light interference, and only sees the visual light provided by the virtual reality device, so that the user can immerse himself in the video scene of the virtual reality device, greatly Improve user experience. The specific installation steps of the shading component 7 of the above virtual reality device are as follows:

The first step: surrounding the virtual reality device body through the closed hollow region of the light shielding component, and the front end fixing ring 77 located in the inner periphery of the closed hollow region is in contact with the front end frame of the virtual reality device;

The second step: fixing the first curved surface 75 and the second curved surface 76 of the light shielding assembly to the virtual reality device through the first connecting member 71 and the second connecting member 72, the first curved surface 75 and the second curved surface 76 along the end of the virtual reality device The direction extends. When the virtual reality device is a spectacles structure, the first connecting member 71 and the second connecting member 72 are respectively fixed to the temples of the virtual reality device, and specifically may be separately set on the two temples of the virtual reality device (virtual reality glasses). There is a through hole 51 for embedding the first connecting member 71 and the second connecting member 72. When the first connecting member 71 and the second connecting member 72 are embedded in the through hole 51, the fixing of the light blocking member 78 and the virtual reality device body can be realized. It is also easy to disassemble, which is convenient for users to operate and improve user experience. It can be understood that the virtual reality device and the light shielding member 78 can also be fixed by sticking, and the fixing manner is not specifically limited to the present invention.

(5) PCBA board 8: As shown in FIG. 7, the rear case 3 includes a storage cavity 46 for accommodating the PCBA board 8 of the virtual reality device, and the PCBA board 8 is connected with the optical system. Specifically, the PCBA board 8 and the left display screen 22. The screen of the right display screen 24 is vertically connected. At the same time, the light sensing component is also connected to the PCBA board 8 and is perpendicular to the plane of the PCBA board 8.

(6) Heat sink 9: The heat sink 9 is respectively attached to the rear of the left display 22 and the right display 24, and is attached to the heat generating device of the PCBA board 8. Specifically, the heat sink 9 includes a copper foil layer and a carbon film layer on the outer layer of the copper foil layer. The copper foil layer is adhered to the rear of the left display screen 22 and the right display screen 24, and is attached to the heat generating device of the PCBA board 8. Hehe. Specifically, since the display heat is small, a part of the surface layer of the thermal conductive adhesive may be selected and connected to the heat sink 9 at the rear of the left display 22 and the right display 24. Since the display and the heat sink are only partially bonded, it is easy to disassemble during the maintenance process. Since the chip of the PCBA board has a relatively large heat generation, the heat of the PCBA board is sufficiently dissipated. Therefore, the surface of the heat generating component of the PCBA board can be coated with the thermal conductive adhesive and connected to the heat sink 9. Considering that the light-sensing component is also blocked by the heat sink 9, in order to facilitate maintenance, a maintenance opening can be provided at the heat sink corresponding to the light-blocking component or other heat-shielding device, so that the maintenance can be performed later, and the maintenance process is avoided. The entire heat sink needs to be removed for repair.

(7) Data line fixing member 19: As shown in Figs. 19 to 21, the data line fixing member 19 is used for fixing on a virtual reality device. Specifically, the virtual reality device includes a frame and a temple, and a side of the rear casing 3 of the frame near the temple is provided with a temple connection portion, the lens connection portion is provided with a groove 44, and the temple is provided with a recess The projection 53 of the groove 44. After the above description, for the overall appearance of the virtual reality device, the data line fixing member 19 is fixed to the temple connecting portion, such as a screw connection. The data line fixing member 19 includes a top surface and first and second side surfaces respectively connected to and opposite to the top surface, and respectively formed with a fixing portion 191 for fixing on the virtual reality device, a hollow opening 192, and a data line receiving The cavity 193 and the data line baffle 194 are described in detail below for each of the above components. In this embodiment, the second side is fixedly connected to the temple connection portion of the virtual reality device, and the first side is located on the inner side of the outer periphery of the virtual reality device, and the first side, the second side, and the top surface are surrounded by data lines. The receiving cavity corresponds to the interface of the virtual reality device, and the fixing portion 191 is located on the second side and extends away from the top surface, and the fixing portion 191 is used for fixing the data line fixing member 19 on the virtual reality device. The fixing portion 191 is detachably connected to the virtual reality device. For example, the virtual reality device is provided with a screw hole, the fixing portion 191 is connected to the virtual reality device through the screw 195, or the fixing portion 191 is non-detachably connected with the virtual reality device, such as welding, etc. Not limited. In order to reduce the weight of the data line fixing member 19 and to save material, a hollow opening is provided on the first side surface and/or the second side surface, and a hollow opening 192 is not limited to the second side surface shown in FIG. The top surface, the first side surface and the second side surface define a U-shaped data line receiving cavity 193 which is open on three sides, and the connector of the data line connected to the virtual reality device is received in the data line receiving cavity 193. In order to further prevent the connection of the data line from loosening or falling, and avoiding the problem of poor connection when the data line is loose, the data line fixing member 19 may further be provided with a data line baffle 194, and the data line baffle 194 is disposed on the data line. The fixing member 19 is away from a side of the virtual reality device, and the data line shutter 194 is connectable to the top surface and the first side, respectively, and has a space for projecting into the data line with the second side; or the data line shutter 194 The second side surface and the top surface may be connected to each other and have a gap with the first side surface for extending into the data line, and the connection head of the data line is received in the data line receiving cavity 193, the data line block 25 board It is used to prevent the connector from coming off the data line receiving cavity 193. The specific steps for installing the data line fixture 19 to the virtual reality device are as follows:

The first step is to connect the data line on the virtual reality device, that is, insert the connector of the data line into the data line interface on the virtual reality device. The data line in this embodiment is generally an HDMI data line, and of course, other uses may be used. The data line for data transmission or charging is not specifically limited;

The second step: the data line fixing member 19 is fixed on the virtual reality device, and the connector of the data line is located in the data line receiving cavity 193 in the data line fixing member 19. It should be noted that the data line fixing member 19 of the present invention may be integrally formed, and the preferred material is a material that is lightweight and has a certain hardness.

The working principle of the data line fixing member 19 is as follows: firstly, the connector of the data line is fixed on the data line interface of the virtual reality device, and then the connector of the data line is also accommodated in the data line receiving cavity 193 of the data line fixing member 19. At the same time, the data line fixing member is further away from the data line interface of the virtual reality device, and a data line baffle 194 is further disposed. The data line baffle 194 is used for preventing the connection of the data line from loosening or falling, and blocking the connection of the data line. Moving outward, the data line is well connected with the virtual reality device, avoiding the looseness of the data line externally connected by the user during use, resulting in poor data transmission or even falling off the data line, which allows the user to enter the virtual reality scene interaction boldly. To improve user experience.

Compared with the prior art, the virtual reality device in the present invention newly adds the data line fixing member 19, and fixes the data line on the virtual reality device while accommodating the connector of the data line, and can have the data line connector at The controllable range can be moved without even moving, so that the data line can be well connected with the virtual reality device, even if the user performs intense exercise during use, the data line will not fall off, and the user's Experience and improve the applicable scenarios of virtual reality devices.

In some embodiments of the present application, as shown in FIG. 26, the dustproof member fixing groove 223 has the same shape as the dustproof member 210; the depth D of the dustproof member fixing groove 223 is greater than or equal to the thickness T of the dustproof member 210. The dustproof member fixing groove 223 can be disposed on the outer side wall or the inner side wall of the outer lens barrel 211 according to actual needs. When the dustproof member fixing groove 223 is disposed on the outer side wall of the outer lens barrel 211, the corresponding dustproof member 210 is also fixed to the outer side wall of the outer lens barrel 211, so as to prevent the dustproof member 210 from being detached from the dustproof member fixing groove 223, The dustproof member 210 can be attached to the bottom surface of the groove of the dustproof member fixing groove 223 during actual installation. In this way, the exposure of the dust-proof member 210 can be effectively avoided, and the dust-proof member 210 can be protected. Generally, the dust-proof member 210 is adhered and fixed, so that the edge of the dust-proof member 210 is received in the groove, thereby preventing the dryness from falling off. And improve the dustproof effect. When the dustproof member fixing groove 233 is disposed inside the lens barrel, the dustproof member 210 should be provided with a strip hole corresponding to the position and shape of the inclined groove 213, so that the positioning feature 2200 passes through the strip hole to reach The effect of focusing.

In some embodiments provided by the present application, as shown in FIG. 23, the main structure of the optical lens focusing assembly mainly includes an outer barrel 211 and an inner barrel 214, and the two barrels are cylindrical cylindrical structures nested together. Both should remain coaxial in the installed position, and the inner barrel 214 is located inside the outer barrel 211. The outer lens barrel 211 and the inner lens barrel 214 have a clearance fit, that is, the inner diameter of the outer barrel 211 is equal to or slightly larger than the outer diameter of the inner barrel 214. For the cooperation between the outer barrel 211 and the inner barrel 214, the inner diameter of the outer barrel 211 may be limited to be equal to the outer diameter of the inner barrel 214 during actual production, but the deviation requirements of the two are different, generally The deviation of the inner diameter of the outer barrel 211 is 0, and the deviation of the outer diameter of the inner barrel 214 is 0, so that the two have a certain gap in the microstructure, and mutual rotation can be achieved.

Further, in actual use, the dimensional relationship between the outer barrel 211 and the inner barrel 214 can be selected according to actual needs. For example, when the optical component used in the virtual reality device requires high focusing accuracy, the inner diameter of the outer barrel 211 needs to be as close as possible to the outer diameter of the inner barrel 214, thereby reducing the gap between the two barrels, thereby To ensure the accuracy of the position, and the closer the size between the two barrels is, the greater the frictional force of the mutual rotation, the more favorable the control of the focusing. When the optical component used requires higher focusing flexibility, the inner diameter of the outer barrel 211 should be appropriately increased, and the outer diameter of the inner barrel 214 should be appropriately reduced, by increasing the gap between the two barrels, The friction is reduced, so that the inner barrel 214 can be easily rotated in the outer barrel 211, and the focusing is quickly completed. For most virtual reality devices, both high focusing accuracy and high focusing flexibility are required. Therefore, in this embodiment, the size between the two lens barrels has a difference, but the difference It should not be too large, that is, through the clearance fit, the precision of focusing and the flexibility of focusing can be ensured.

In this embodiment, there is a gap fit between the outer barrel 211 and the inner barrel 214, and there is another advantageous effect. That is, it is possible to prevent dust in the external environment from entering the lens barrel through the gap between the lens barrels. Obviously, for the two nested barrels, the larger the difference between the inner diameter of the outer barrel 211 and the outer diameter of the inner barrel 214, the easier it is to enter the dust, which will adhere to the lens and will be used for a long time. It has an effect on the light transmission effect of the lens. In the present embodiment, the clearance fit between the inner barrel 214 and the outer barrel 211 can be limited to the micrometer level at the contact position, and the friction between the barrels can be reduced by adding lubricating oil. Dust is blocked to achieve dustproof effect.

In some embodiments of the present application, as shown in FIG. 24, the inner lens barrel 214 functions as a movable barrel, and is slidable in the axial direction and the circumferential direction with respect to the inner wall of the outer barrel 211; the outer barrel 211 serves as a stationary barrel. Used to provide a sliding space for the inner barrel 214. In order to reduce the ingress of dust, in the embodiment, the outer lens barrel 211 is fixed on the screen bracket, and the inner lens barrel 214 is nested therein. After the sealing connection, the outer lens barrel 211 and the screen bracket are fixed and fixed. The contact portion is further sealed by the dustproof glue, so that the outer lens barrel 211 is relatively in a stationary state. The inner barrel 214 serves as a movable barrel, and axial and circumferential sliding can be performed in a space enclosed between the outer barrel 211 and the screen. Obviously, in order to realize the sliding of the inner barrel 214 in the axial direction, the inner barrel The axial length of the 214 should be smaller than the axial length of the outer barrel 211.

Further, as shown in FIG. 24, the inner barrel 214 includes a circular table 215 provided with a stepped inner fixing portion 2151, and a boss 216 extending in a direction away from the inner fixing portion 2151 at the end of the circular table 215; a step provided on the circular table 215 The inner fixing portion 2151 is for fixing the inner lens 217. In actual use, the inner fixing portion 2151 is in the form of a stepped structure, and the actual structure should be selected according to the fixed lens structure, for example, when the inner lens 217 is In the lenticular lens, in the stepped structure of the inner fixing portion 2151, the surface in contact with the lens also has a certain degree of inclination so that the lens is perpendicular to the axis of the inner barrel 214, and also facilitates the fixing of the lens, avoiding excessive use. The gelatinous material causes contamination of the lens. When the inner lens 217 is a semi-convex lens or a planar lens, the stepped structure of the inner fixing portion 2151 is a right angle shape so as to better fit the plane.

In this embodiment, the boss 216 is used to fit the inner wall of the outer barrel 211 at the position of the inclined groove 213. The number of the bosses 216 is equal to the number of the inclined grooves 213, and the circumferential surface of the boss 216 is provided for mounting. The mounting hole 2161 of the positioning feature 2200. The boss 216 has a one-to-one correspondence with the inclined groove 213. First, the toggle fixing screw 221 in the positioning feature 2200 can be extended in one of the inclined grooves 213, and the fixing screw 220 can be extended in the other inclined groove 213 to pass the tilt. The guiding action of the groove 213 moves the position of the entire inner barrel 214 to achieve focusing. The boss 216 not only provides a mounting position for the positioning feature 2200, but also reduces the passage of dust into the outer barrel 211 through the inclined groove 213 by the contact of the boss 216 with the inner wall of the outer barrel 211. In addition, by providing a plurality of bosses 216 instead of the conventional optical focusing assembly, the entire cylindrical structure can be used, and the weight of the inner barrel 214 can be reduced under the premise of ensuring the sealing property, thereby making the virtual reality device as a whole. The structure is light and thin, providing conditions.

Further, in the optical assembly provided by the present application, the outer barrel 211 includes an outer cylinder 2112 provided with a stepped outer fixing portion 2111, and a main cylinder 2113 connecting the outer cylinder 2112, and the side wall of the main cylinder 2113 is evenly distributed. At least one inclined groove 213 is provided. In this embodiment, the outer fixing portion 2111 is used for fixing the outer optical lens 212. Since the outer optical lens 212 is directly exposed to the environment in actual use, the position where the outer optical lens 212 contacts the outer lens barrel 211 is easily affected by the environment. Causes cracking of the glued part. Therefore, in order to protect the edge of the outer optical lens 212, in the embodiment, an annular protrusion extending in the direction of the central axis is provided at the end surface of the outer cylinder 2112, and the outer optical lens 212 is mounted on the inner side of the annular protrusion. The outer fixing portion 2111 having a stepped structure is formed by the annular projection to protect the edge of the outer optical lens 212, thereby reducing the influence of the environment on the connection position, thereby avoiding the occurrence of a gap at the contact position and improving the dustproof effect.

In the dustproof optical assembly provided by the present application, as shown in FIG. 25, the inclined groove 213 is extended by the positioning feature 2200, and the inner lens barrel 214 is driven to slide inside the outer lens barrel 211 to adjust the inner optical lens 217 and the outer optical lens. The distance between 212. It can be seen that the extending distance of the inclined groove 213 in the axial direction is the range in which the entire optical component is focused. Therefore, in one technical solution, the minimum distance L1 of the inclined groove 213 to the outer lens barrel 211 to the end surface 2116 is greater than or equal to the axial width W of the circular table 215; and the axial groove extending distance L2 of the main cylinder 2113 The height H of the boss 216 is smaller than the height H of the boss 216; and the minimum distance L3 of the inclined groove 213 to the outer cylinder 2112 is greater than or equal to the height H of the boss 216; the extending distance L4 of the inclined groove 213 in the circumferential direction is less than or equal to the circumference of the boss 216 1/2 of the length AL.

In the inner barrel 214, the circular table 215 functions mainly for fixing the inner optical lens 217, and the boss 216 is fixed by the annular structure of the circular table 215 to form a fitting relationship between the inner barrel 214 and the outer barrel 211. In order to reduce the overall weight, the circular table 215 should ensure that the axial width W is as small as possible without deforming as a whole, and in actual use, if the positioning feature drives the inner lens barrel 214 in the inclined groove 213 closest to the fitting end surface 2116 When the position of the inner optical lens 217 is located closest to the screen, it should be ensured that the inner lens barrel 214 together with the inner optical lens 217 cannot touch the screen or the screen holder, so in the present embodiment, the inclined groove 213 is provided The minimum distance L1 of the outer lens barrel 211 to the end surface 2116 is greater than or equal to the axial width W of the circular table 215, so that the inner optical lens 217 can be ensured in the region formed between the outer lens barrel 211 and the screen, at two extreme positions. Do not touch the screen. Similarly, when the other extreme position of the inclined groove 213 is set, the minimum distance L3 of the inclined groove 213 to the outer cylinder 2112 is greater than or equal to the height H of the boss 216, also to ensure that the inner barrel 214 is in the outer barrel 211 and Activities in the area formed between the screens.

In the present embodiment, for the boss 216 of the inner barrel 214, its main function is to provide the mounting position of the positioning feature 2200, and to provide a larger bonding area at the contact position of the inclined groove 213, when the positioning feature When the piece 2200 is in the two extreme positions of the inclined groove 213, the boss 216 can ensure a contact gap between the axial direction and the circumferential direction, and does not form a contact gap with the inclined groove 213. Obviously, the contact gap here is not only indicated on the outer side wall of the boss 216. There is a gap between the main cylinder 2113 and a gap formed by the position of the edge of the inclined groove 213 and the edge position of the boss 216.

In order to achieve the above effects, in the embodiment, the boss 216 is further limited to: the axial extension distance L2 of the inclined groove 213 in the main cylinder 2113 is smaller than the height H of the boss 216; the extending distance L4 of the inclined groove 213 in the circumferential direction Less than or equal to 1/2 of the circumferential length AL of the boss 216. Wherein, the axial extension distance L2 of the inclined groove 213 in the main cylinder 2113 is smaller than the height H of the boss 216 in order to ensure that the height H of the boss 216 can not be inclined with respect to the two extreme positions during the focusing process. The position of the groove of the groove 213 is misaligned. That is, when the positioning feature 2200 is closest to the fitting end face 2116 in the inclined groove 213, the top surface of the boss 216 in the axial direction is sufficient to exceed the position farthest from the fitting end face 2116 of the inclined groove 213; When the piece 2200 is located at a position farthest from the fitting end face 2116 in the inclined groove 213, the boss 216 is sufficiently larger than the bottom surface of the inclined groove 213 closest to the fitting end face 2116.

Similarly, the circumferentially extending distance L4 of the inclined groove 213 is less than or equal to 1/2 of the circumferential length AL of the boss 216. The following advantageous effects can be obtained. When the positioning feature 2200 is closest to the fitting end surface 2116 in the inclined groove 213, both sides of the boss 216 in the circumferential direction exceed the circumferential ends of the inclined groove 213; When the feature 2200 is located at the position farthest from the fitting end face 2116 in the inclined groove 213, both sides of the boss 216 in the circumferential direction also exceed the circumferential ends of the inclined groove 213.

As can be seen from the above technical solutions, in the actual use, the inner lens barrel 214 provided in the embodiment can be mounted on the circular table 215 by the circular table 215 provided with the inner fixing portion 2151 of the stepped structure, and the other end of the circular table 215 At least one boss 216 is evenly disposed, and the entire cylindrical structure is replaced by the provided boss 216, reducing the overall weight of the inner barrel 214. By limiting the axial height and circumferential width of the boss 216 and the circular table 215, when the positioning feature 2200 is in the two extreme positions of the inclined groove 213, both sides of the inner barrel 214 are not in contact with the screen and the outer cylinder 2112. Further, it is ensured that the circumferential side outer wall of the boss 216 is always in contact with the inner wall of the main cylinder 2113, and a slit is not formed at the position of the inclined groove 213, thereby improving the overall dustproof effect.

In a technical solution, in order to further improve the dustproof effect, in the corresponding position of each inclined groove 213, the present application also provides a dustproof member 210 for preventing foreign dust from entering, and the dustproof member 210 is the main circle. The inner side wall or the outer side wall of the cylinder 2113 has a curved sheet-like structure having the same radius of curvature. The dust-proof member 210 may be made of a PVC material or a sheet-like structure made of a thermoplastic rubber material. The specific material is not limited in the application, but the dust-proof member 210 should meet at least the requirements of the lightweight material to avoid increasing the overall weight. In some embodiments provided in the present application, the inner wall or the outer side wall of the outer barrel 211 is provided with a dustproof member fixing groove 223 for mounting the dustproof member 210. Obviously, the position of the dustproof member fixing groove 223 should correspond to the position of the inclined groove 213 on the outer barrel 211, and the area of the dustproof member fixing groove 223 is slightly larger than the area of the inclined groove 213. In actual use, the shape of the dust-proof member 210 is determined to be the same as the curved sheet-like structure having the same radius of curvature as the inner side wall or the outer side wall of the main cylinder 2113, and the specific shape should be determined according to the shape of the dust-proof member fixing groove 223. For example, referring to FIG. 25, the dust-proof member fixing groove 223 has a shape in which the two side edges are parallel to the side wall of the inclined groove 213, and when the two top edges are perpendicular to the inclined groove 213, the structure of the dust-proof member 210 should also be It is a corresponding quadrilateral structure.

Further, as shown in FIG. 25, the axial direction width SW of the dustproof member 210 is greater than the axial extension distance L2 of the inclined groove 213 in the main cylinder 2113; and the circumferential length SL of the dustproof member 210 is larger than the inclined groove 213 edge. The circumferential extension distance L4. In this embodiment, if the dustproof member 210 is to have the best dustproof effect, in actual use, the area should be able to completely cover the entire inclined groove 213. In principle, the dustproof member 210 only needs to cover the inclined groove 213. The position of the notch can be dustproof, but in order to facilitate processing and installation, the dustproof member 210 still adopts a regular shape, and the axial width SW of the dustproof member 210 is required to be larger than the axis of the inclined groove 213 at the main cylinder 2113. The extending distance L2 of the dustproof member 210 is greater than the circumferential extending distance L4 of the inclined groove 213 to reduce the gap generated by the position of the inclined groove 213, and the sealing dustproof effect is high.

In some embodiments of the present application, the inner diameter D1 of the inner barrel 214 is greater than or equal to the minimum inner diameter D2 of the outer fixed portion 2111. In actual use, the outer fixing portion 2111 is used to mount the outer optical lens 212, and specifically, one side of the outer optical lens 212 is adhered to a table top of the stepped structure by the dustproof glue through a stepped structure disposed at the edge of the outer optical lens 212. In order to prevent the entry of dust in the external environment, as shown in the above embodiment, the stepped structure of the outer fixing portion 2111 is an annular protrusion, and the user observes the inside of the optical component through the structure inside the annular protrusion. image. It will be readily understood that the inner diameter of the inner barrel 214 and the inner diameter of the annular projection on the outer cylinder 2112 can directly affect the field of view. Therefore, in the present embodiment, as shown in FIG. 24, the inner diameter D1 of the inner lens barrel 214 is set to be greater than or equal to the minimum inner diameter D2 of the outer fixing portion 2111, so that the internal structure of the inner lens barrel 214 can be prevented from affecting the optical path composed of the outer fixing portion 2111. Channels to avoid occlusion of images. In addition, the inner diameter D1 of the inner barrel 214 is greater than or equal to the minimum inner diameter D2 of the outer fixing portion 2111, and the inner lens barrel 214 which does not require too high strength can be further reduced in weight and the increase in overall weight can be avoided.

For the outer barrel 211, in order to leave sufficient space for the inner barrel 214, in the present embodiment, the outer diameter D3 of the main cylinder 2113 is set larger than the outer diameter D4 of the outer cylinder 2112. The outer diameter D3 of the main cylinder 2113 is larger than the outer diameter D4 of the outer cylinder 2112. On the one hand, a cylindrical space having a larger inner diameter can be formed at the main cylinder 2113 without changing the thickness of the cylinder, so that the endoscope The cylinder 214 does not block the optical path of the optical component because the thickness is too large; on the other hand, the outer wall of the outer lens barrel 211 having a stepped structure can be formed at a position where the outer cylinder 2112 is connected to the main cylinder 2113, such an outer wall structure The rear case can be attached in the actual installation, so that the outer cylinder 2112 protrudes from the surface of the rear case, which facilitates the positioning of the whole during the installation process, and further prevents dust in the external environment from entering the virtual reality device through the outer wall of the outer lens barrel 211. The housing case 46 is composed of a front case 1 and a rear case 3.

In one embodiment, the end of the outer barrel 2113 away from the outer cylinder 2112 is further provided with: an annular sealing table 2114 protruding from the outer side wall of the main cylinder 2113; and a limit provided on the inner side wall of the main cylinder 2113 Bit ring 2115. The annular sealing table 2114 protruding from the outer side wall of the main cylinder 2113 can be attached to the slot provided on the screen bracket during the actual installation process to further improve the sealing property and prevent external dust from entering the mirror through the fitting end surface 2116. Inside the barrel. The limiting ring 2115 disposed on the inner side wall of the main cylinder 2113 can be inserted into the outer lens barrel 211 after the entire inner lens barrel 214 is inserted, and then passed through a limiting ring that can cooperate with the inner side wall of the main cylinder 2113. The inner optical lens 217 is further protected by 2115. That is, an annular structure of the protective lens is formed at the edge of the lens to prevent the inner optical lens 217 from being impacted from the predetermined mounting position during use.

Further, the inner diameter of the limiting ring 2115 is smaller than the inner diameter of the inner fixing portion 2151, and is greater than or equal to the inner diameter of the circular table 215; the sealing table 2114 and the limiting ring 2115 are attached to the outer lens barrel 211 at the end surface 2116 at an end surface away from the outer fixing portion 2111. Flush. The inner diameter of the limiting ring 2115 is smaller than the inner diameter of the inner fixing portion 2151, and the inner diameter of the circular table 215 is greater than or equal to the inner diameter of the optical assembly after the actual installation is completed, thereby ensuring a better sealing effect and preventing dust. enter. The sealing table 2114 and the limiting ring 2115 are flush with the end surface 2116 of the outer barrel 211 at the end surface away from the outer fixing portion 2111, and can be fixed on the screen bracket together with the end surface 2116 of the outer barrel 211 to make the contact position more Firm.

In some embodiments of the present application, the outer optical lens 212 and the inner optical lens 217 are plano-convex mirrors, and the planar side 2121 of the outer optical lens 212 is attached to the outer fixing portion 2111; the planar side 2171 of the inner optical lens 217 is The inner fixing portion 2151 is attached. For the outer optical lens 212 and the inner optical lens 217, the actual zoom effect should be considered in actual use, and a plano-convex mirror that is easier to fix is used under the premise that the transmitted image is sufficiently clear. In general, convex lenses are mainly divided into three types, namely, lenticular lenses, plano-convex lenses, and meniscus lenses. Among them, the most convenient lens is a plano-convex lens, and the plano-convex lens includes two faces, one side is a flat surface, and one side is a curved surface. In the example, the flat side 2121 of the outer optical lens 212 is bonded to the outer fixing portion 2111; the flat side 2171 of the inner optical lens 217 is bonded to the inner fixing portion 2151. Such a structure not only facilitates fixing, reduces the amount of use of the sealant, but also can set the curved side of the lens which is easy to adhere to the inside of the lens barrel to prevent the influence of dust on the lens and the viewing. Of course, it should be understood that the optical lens of the present application is not limited to a convex lens, and other concave lenses and plane mirrors can be realized according to actual optical path requirements.

The present application also provides a virtual reality device, as shown in FIG. 27, comprising a front case 1, a rear case 3, and an optical lens focusing assembly 2 as described in the above embodiments.

The front shell 1 and the rear shell 3 have the same edge contour, and the front shell 1 and the rear shell 3 are joined to form a cavity for housing the optical lens focusing assembly 2 and the electronic device. In this embodiment, the front case 1 and the rear case 3 constitute a main body of the virtual reality device, wherein the screen, the electronic component, the PCB board, and the optical component are accommodated, and the temples are respectively disposed on both sides of the formed body and used for data. The interface of the transmission, etc., through the cooperation of the electronic device and the optical component, presents the image directly in front of the wearer's eyes.

In the virtual reality device provided by the present application, as shown in FIG. 28, the rear case 3 is provided with two mirror holes 3001 for placing the optical components during the actual mounting process. Further, the diameter of the mirror hole 3001 is greater than or equal to the outer diameter of the outer cylinder 2112 of the optical lens focusing assembly 2. This structure can extend the outer barrel 2112 of the optical lens focusing assembly 2 from the mirror hole 3001 in actual use, forming an observation area in front of the wearer's eyes to present an image for both eyes. In this embodiment, although the diameter of the mirror hole 3001 is greater than or equal to the outer diameter of the outer barrel 2112, in order to further increase the fixing effect, the diameter of the mirror hole 3001 is limited to be smaller than the outer diameter of the main cylinder 2113. In the above embodiment, the stepped structure formed between the outer cylinder 2112 and the main cylinder 2113 is fully utilized, and the stepped structure is attached to the edge of the mirror hole 3001 to further fix the optical lens focusing assembly.

In addition, in the virtual reality device provided by the present application, the rear case 3 is further provided with an adjustment groove 42 corresponding to the position of the inclined groove 213 in the optical lens focusing assembly 2 and having the same shape. The adjustment groove 42 can be disposed at any position of the rear case 3 according to the actual adjustment. However, for aesthetic reasons and corresponding to the mounting position of the lens barrel, the adjustment groove 42 is disposed on the middle frame of the rear case 3 of the virtual reality device, and is located at the bottom, that is, when worn, the adjustment groove 42 is disposed at the optical lens focusing assembly. 2 Below the installation location. This does not affect the overall appearance, but also reduces dust from the adjustment slot 42 into the interior of the virtual reality device.

In the above embodiments, not only virtual reality devices but also any head mounted devices, and the head mounted devices include, but are not limited to, virtual reality devices, augmented reality devices, gaming devices, mobile computing devices, and other wearable devices. Computer, etc. It should be noted that the numerical values disclosed in the embodiments of the present application, including the distance ratio, the width ratio, and the thickness ratio, are examples for illustrating the dimensional relationship between the components. In practical applications, the dimensions of the components may also be other. The numerical value, when the size of one component changes, the size of other parts also changes. The specific changed value is not described in detail in the application, and can be calculated according to the proportional relationship disclosed in the present application.

As can be seen from the above technical solutions, the optical lens focusing assembly with dustproof function provided by the present application includes an inner lens barrel 214 and an outer lens barrel 211 nested together, and the gap between the outer barrel 211 and the inner barrel 214 is satisfied. In the case of the cooperation, in the case where the lubricating oil layer is disposed, the dust can be prevented from entering the space formed by the lens barrel through the matching gap of the inner barrel 214 and the outer barrel 211, and adhered to the lens to affect the viewing effect. The structure of the truncated cone 215 and the boss 216 provided in the inner barrel 214 can ensure the sealing effect at the position in contact with the inclined groove 213 and reduce the overall weight. An inclined groove 213 is disposed on the outer lens barrel 211 for passing through the positioning feature 2200, so that the user drives the inner lens barrel 214 and the inner optical lens 217 to slide axially and circumferentially when the positioning feature 2200 is toggled. Complete the adjustment of the focus distance. A dustproof member fixing groove 223 and a dustproof member 210 are provided on the inner side wall or the outer side wall of the outer lens barrel 211 to further prevent dust in the external environment from entering the space formed by the lens barrel, thereby improving the dustproof effect.

The similar parts of the embodiments provided in the present application can be referred to each other. The specific embodiments provided above are only a few examples of the general concept of the present application, and do not constitute a limitation of the scope of the present application. Any other embodiments extended according to the solution of the present application without any creative labor will be within the scope of the present application.

Claims

An optical lens focusing assembly with dustproof function, comprising: an outer barrel (211), an outer optical lens (212) fixed to the outer barrel (211), and an inner barrel (214) , an inner optical lens (217) fixed to the inner lens barrel (214), a positioning feature (2200) and at least one dustproof member (210);

The side wall of the outer barrel (211) is provided with at least one inclined groove (213);

The inner lens barrel (214) is built in the outer lens barrel (211);

The positioning feature (2200) is in one-to-one correspondence with the inclined groove (213), and each of the positioning features (2200) is fixed at one end of the side wall of the inner lens barrel (214), and the other end passes through the side. The inclined groove (213) is slidable within the inclined groove (213);

The dustproof member (210) is located on an outer side wall or an inner side wall of the outer lens barrel (211) corresponding to the inclined groove (213).
The optical lens focusing assembly according to claim 1, wherein a dustproof member fixing groove (223) is disposed on an outer side wall or an inner side wall of the corresponding outer lens barrel (211) of the inclined groove (213). ).
The optical lens focusing assembly according to claim 2, wherein the dustproof member fixing groove (223) has the same shape as the dustproof member (210);

The depth D of the dustproof member fixing groove (223) is greater than or equal to the thickness T of the dustproof member (210).
The optical lens focusing assembly according to claim 1, wherein the outer barrel (211) and the inner barrel (214) are two cylindrical cylindrical structures nested together; a clearance fit between the lens barrel (211) and the inner lens barrel (214);

The inner lens barrel (214) acts as a movable lens barrel and is slidable in the axial direction and the circumferential direction with respect to the inner wall of the outer lens barrel (211); the outer lens barrel (211) serves as a stationary lens barrel for The inner barrel (214) provides a sliding space.
The optical lens focusing assembly according to claim 1, wherein said inner barrel (214) includes a circular table (215) provided with a stepped inner fixing portion (2151) and, at said circular table (215) The end faces the boss (216) extending away from the inner fixing portion (2151);

The inner fixing portion (2151) is for fixing the inner optical lens (217), the number of the bosses (216) is equal to the number of the inclined grooves (213), and the circumferential surface of the boss (216) Mounting holes (2161) for mounting the positioning feature (2200) are provided thereon;

The outer barrel (211) includes an outer cylinder (2112) provided with a stepped outer fixing portion (2111), and a main cylinder (2113) connecting the outer cylinder (2112), the main cylinder At least one of the inclined grooves (213) is uniformly disposed on the side wall of (2113);

The outer fixing portion (2111) is for fixing the outer optical lens (212).
The optical lens focusing assembly according to claim 5, wherein a minimum distance L1 from the inclined groove (213) to the outer lens barrel (211) to the end surface (2116) is greater than or equal to the circular table ( 215) axial width W;

The axial extending distance L2 of the inclined groove (213) in the main cylinder (2113) is smaller than the height H of the boss (216);

The minimum distance L3 of the inclined groove (213) to the outer cylinder (2112) is greater than or equal to the height H of the boss (216);

The circumferentially extending distance L4 of the inclined groove (213) is less than or equal to 1/2 of the circumferential length AL of the boss (216).
The optical lens focusing assembly according to claim 5, wherein the dustproof member (210) is a curved sheet-like structure having the same radius of curvature as the inner side wall or the outer side wall of the main cylinder (2113);

The axial direction width SW of the dustproof member (210) is greater than the axial extension distance L2 of the inclined groove (213) in the main cylinder (2113);

The circumferential length SL of the dustproof member (210) is greater than the circumferentially extending distance L4 of the inclined groove (213).
The optical lens focusing assembly according to claim 5, wherein the inner diameter D1 of the inner lens barrel (214) is greater than or equal to the minimum inner diameter D2 of the outer fixing portion (2111);

The outer diameter D3 of the main cylinder (2113) is larger than the outer diameter D4 of the outer cylinder (2112).
The optical lens focusing assembly according to claim 5, wherein an end of the outer barrel (2113) remote from the outer cylinder (2112) is further provided with: a protrusion to the main cylinder ( 2113) an annular sealing station (2114) of the outer side wall;

a limiting ring (2115) protruding from an inner side wall of the main cylinder (2113); an inner diameter of the limiting ring (2115) is smaller than an inner diameter of the inner fixing portion (2151), greater than or equal to the circular table ( 215) inner diameter;

The sealing table (2114) and the limiting ring (2115) are flush with the end surface (2116) of the outer barrel (211) at an end surface away from the outer fixing portion (2111).
A virtual reality device, comprising a front case (1), a rear case (3), and an optical lens focusing assembly (2) according to claims 1-9, wherein:

The front shell (1) and the rear shell (3) have the same edge contour, and the front shell (1) is connected with the rear shell (3) to form the optical lens focusing assembly (2) And the cavity of the electronic device;

The rear casing (3) is provided with two mirror holes (3001) having a diameter greater than or equal to an outer diameter of the outer cylinder (2112) of the optical lens focusing assembly (2);

The rear casing (3) is further provided with an adjustment groove (42) corresponding to the position of the inclined groove (213) in the optical lens focusing assembly (2) and having the same shape.